enhance(frontend): チャンネルタイムライン上部に投稿フォームを表示する設定をデッキのチャンネルカラムにも反映

[kakkokari-gtyih]

What

Why

Fix #17244

Additional info (optional)

Checklist

• Read the contribution guide
• Test working in a local environment
• (If needed) Add story of storybook
• (If needed) Update CHANGELOG.md
• (If possible) Add tests

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 13.93%. Comparing base (9377e94) to head (f0da105).
⚠️ Report is 18 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff              @@
##           develop   #17247       +/-   ##
============================================
- Coverage    63.57%   13.93%   -49.64%     
============================================
  Files         1161      241      -920     
  Lines       116244    11702   -104542     
  Branches      8371     3952     -4419     
============================================
- Hits         73900     1631    -72269     
+ Misses       40159     7906    -32253     
+ Partials      2185     2165       -20     

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[kakkokari-gtyih]

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[kakkokari-gtyih]

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